[native] Add keyserver label to CommunityConfiguration
Summary:
Add keyserver label to CommunityConfiguration screen.
(For now it is hardcoded to display @ashoat)
Depends on D7950
Test Plan:
Looks as expected:
Reviewers: ashoat, ginsu
Reviewed By: ashoat
Subscribers: tomek, ashoat
Differential Revision: https://phab.comm.dev/D7951